from turtle import*
title("告白神器")
bgcolor('black')
colors=['red','orange','yellow','green']
text=['I','love','you','forever']
speed(0)
for i in range(70):
    pencolor(colors[i%4])
    penup()
    forward(i*6)
    pendown()
    write(text[i%4],font=("微软雅黑",int(i/4+4)))
    left(92)
    hideturtle()